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Wcf Error Type Cannot Be Iserializable And Have Datacontractattribute Attribute


The NetDataContractSerializer is similar to the BinaryFormatter and SoapFormatter serializers because it also emits .NET type names as part of the serialized data. However, there are circumstances in which this is not the case: The sent data contract is "derived" from the expected data contract. Many thanks Dave c# wcf asp.net-3.5 datacontract serializable share|improve this question edited Mar 17 '10 at 10:41 marc_s 457k938781043 asked Mar 17 '10 at 10:33 Dave 1,32441626 add a comment| 3 The following example illustrates: [ServiceContract] public interface ISomeInterface { // No data contract is required since parameter and return types are primitive types. [OperationContract] double SquareRoot(int root); news

Im missing something simple I guess... Because every type inherits from Object, and it cannot be known in advance which type is actually sent. However, in some advanced scenarios you can program using the Message class directly. Order values may be skipped.

Cannot Be Serialized. Consider Marking It With The Datacontractattribute Attribute

But (it's been like that for ages, WCF had to maintain the design or risk breaking backward compatibility) it doesn't make a class serializable. Should I report it? Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation? US Election results 2016: What went wrong with prediction models?

Verify that this binding extension is properly registered in system.serviceModel/extensions/bindingExtensions and that it is spelled correctly.--> Unfortunately, when I cannot mark the same class with DataContract attribute as it is already ISerializable and it causes runtime exception. However, there are cases in which you need to have complete control over the structure of the generated SOAP message. So why does it go in to Faulted state after throwing an exception?

Instead, they accept an ISurrogateSelector parameter called surrogateSelector (which maps to the SurrogateSelector property). Note that if the // hash is not used, the two names would have been// identical, and thus a name collision would have occurred. [DataContract]public class Drawing{ // Code not But I forgot to change FaultContractAttribute in the serviceContract. If you have used XmlSerializer before then you know that it allows you more control over the resultant XML using attributes such as [XmlAttribute] and [XmlElement].

The same exception occurred: System.Runtime.Serialization.InvalidDataContractException: Type 'MyCompany.MyProduct.WSTest.CustomException' cannot be ISerializable and have DataContractAttribute attribute. Problem throwing a FaultException 3. If DataContractSerializer is not adequate to serialize your types (When?), then you can use an alternative but familiar WCF serialization engine; XmlSerializer. For example, consider these three classes with an inheritance relationship: [DataContract]public class Person { } [DataContract(Name = "Manager")]public class ManagerType : Person { } [DataContract(Name = "Developer")]public class DeveloperType : Person

Datacontract Custom Serialization

Can you verify that is it not (e.g. This service illustrates usage of data contracts. Cannot Be Serialized. Consider Marking It With The Datacontractattribute Attribute When the client calls a method on the service it always should look like try{ server.method();} catch(CustomException e){ ... }. Datacontractserializer For example, the following data contracts are equivalent both data contracts have the same name, and each data member in class Customer have an equivalent data member in class Person:

My CustomException class code is above in the original post. navigate to this website What episode of Star Trek is this creature on? Parts of Resource From se licensed under cc by-sa 3.0 | Back to top ×Close More Languages Translating... 0% Just like in SOAP, a Message has both a message body and headers.

share|improve this answer answered Apr 23 '13 at 15:02 jeff.eynon 539517 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Adding a required data member is a breaking change. Should I allow my child to make an alternate meal if they do not like anything served at mealtime? More about the author The constructors accept a parameter called assemblyFormat of the FormatterAssemblyStyle that maps to the AssemblyFormat property.

If the type is marked with both of them, it will take the projection of [DataContract] Here are the docs on data transfer and serialization in WCF which provide a lot I don't ever plan to actually use mine, so I added a summary for IntelliSense and throw a run-time exception to keep it from being used. ///

/// parameterless default All of a sudden it started working.

On the other hand, a breaking change prevents communication in one or both directions.

Object Graph Preservation Consider the following data contracts: [DataContract] public class PurchaseOrder { [DataMember] public Address billTo; [DataMember] public Address shipTo; } [DataContract] public class Address { The first two properties have the same meaning as discussed in the previous section. You can either use [ServiceKnownType] attribute or [KnownType] attributes. Cannot be serialized up vote 30 down vote favorite I have the following datacontract: [DataContract] public class Occupant { private string _Name; private string _Email; private string _Organization; private string _Badge;

For example, to return an object in a message: [DataContract]public class Person{ [DataMember] public string name; [DataMember] public int age;} [ServiceContract]public interface IMyService { [OperationContract] Message GetData(); [OperationContract] Message GetData2(); [OperationContract] See here for instructions * How NOT to post a question here * Of course you read this carefully before you posted * Need homework help? The implementation of that property creates and caches a read only collection, i.e. http://bovbjerg.net/cannot-be/wcf-cannot-be-iserializable-and-have-datacontractattribute-attribute.php Throwing FaultException with custom detail class with is terminating client connection 9. "...Upgrade Support Threw an Exception" - I'm about to throw a wrench at it Powered by phpBB Forum Software

While you can use a data contract for this purpose, the recommended approach is to use a message contract. no additional exceptions were being thrown) In the de***, the code executes exactly as I woudl expect. I now throw my CustomException, create a new data type (e.g. Changing the data contract of a data member.

more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Both the DataContractSerializer and the NetDataContractSerializer derive from a common base class, the XmlObjectSerializer. You need an alternative way of using incoming message contents (for example, when you want to apply an XSLT transform to the raw XML contents) instead of deserializing into .NET Framework What is the most someone can lose the popular vote by but still win the electoral college?

The constructors do not accept a data contract surrogate. The declared type for the information to be transmitted is an interface, as opposed to a class, structure, or enumeration.